/* Shared colours, typography, header, and footer come from site.css. */
.blog-site [hidden] { display: none !important; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; border: 0; }
.blog-header .nav-links a.is-active, .blog-header .nav-links a[aria-current="page"] { color: var(--cyan); }
.blog-header .nav-actions .nav-blog { border-color: rgba(78,228,255,.65); background: var(--cyan-soft); color: var(--cyan); box-shadow: none; }
.blog-header .nav-actions .nav-blog:hover { background: rgba(78,228,255,.21); color: var(--cyan); transform: none; }
.blog-header .nav-blog::after { content: none; }
.blog-header .blog-portfolio { padding: .7rem .6rem; color: var(--muted); font-size: .85rem; }
.blog-header .blog-portfolio:hover { color: var(--ink); }
.blog-header .blog-portfolio-mobile { display: none; }
.blog-page { padding-top: 46px; padding-bottom: 80px; min-height: calc(100dvh - 170px); }
.blog-index-heading { margin-bottom: 30px; }
.blog-index-heading .eyebrow { margin: 0 0 12px; color: var(--cyan); font: 700 .76rem/1.2 "Octosquares", monospace; letter-spacing: .12em; }
.blog-index-heading h1 { margin: 0 0 12px; font-size: clamp(2rem, 4vw, 2.8rem); line-height: 1.2; }
.blog-index-heading p { max-width: 700px; margin: 0; color: var(--muted); font-size: 1rem; }
.blog-index-heading > .text-link { margin-top: 16px; }
.blog-back { display: inline-block; margin-bottom: 22px; color: var(--muted); font-size: .85rem; }
.blog-back:hover { color: var(--cyan); }
.blog-tools { display: flex; align-items: center; flex-wrap: wrap; gap: 12px; padding-bottom: 27px; }
.blog-search { display: flex; align-items: center; gap: 10px; width: min(100%, 360px); min-height: 43px; padding: 0 14px; border: 1px solid var(--line); border-radius: 7px; background: var(--panel); color: var(--muted); }
.blog-search:focus-within { outline: 2px solid var(--cyan); outline-offset: 2px; }
.blog-search svg { width: 17px; height: 17px; flex-shrink: 0; }
.blog-search input { width: 100%; min-width: 0; padding: 11px 0; border: 0; background: transparent; color: var(--ink); font: inherit; font-size: .85rem; }
.blog-search input:focus-visible { outline: 0; }
.blog-search input::placeholder { color: var(--muted); opacity: 1; }
.blog-tools select { max-width: 100%; min-height: 43px; padding: 8px 30px 8px 12px; border: 1px solid var(--line); border-radius: 7px; color: var(--muted); background: var(--panel); font: inherit; font-size: .85rem; color-scheme: dark; }
.search-status { margin: 0 0 0 auto; color: var(--muted); font-size: .8rem; }
.search-empty { margin: 0; padding: 35px 0; color: var(--muted); border-top: 1px solid var(--line); }
.blog-category { display: grid; grid-template-columns: 250px minmax(0, 1fr); gap: 65px; align-items: start; padding: 32px 0; border-top: 1px solid var(--line); }
.blog-category > * { min-width: 0; }
.blog-category-heading { position: sticky; top: 105px; }
.blog-category-heading h2 { display: flex; align-items: baseline; gap: 12px; margin: 0 0 16px; font-size: 1.25rem; line-height: 1.3; letter-spacing: -.025em; }
.blog-category-heading h2 a:hover { color: var(--cyan); }
.category-count { color: var(--quiet); font: 400 .8rem "Interphases", sans-serif; }
.blog-tags { display: flex; align-items: center; flex-wrap: wrap; gap: 7px; }
.blog-tag { display: inline-flex; padding: 3px 9px; border: 1px solid var(--line); border-radius: 5px; color: var(--muted); background: var(--panel); font-size: .72rem; line-height: 1.7; }
.blog-tag:hover { color: var(--cyan); border-color: var(--cyan); }
.blog-entry-tags { margin-top: 10px; }
.blog-entry-tags .blog-tag { padding: 1px 8px; background: transparent; }
.topic-tag { color: var(--cyan); background: var(--cyan-soft); border-color: rgba(78,228,255,.25); }
.text-link { display: inline-block; padding: 0; border: 0; color: var(--cyan); background: transparent; font: inherit; font-size: .8rem; cursor: pointer; }
.text-link:hover { text-decoration: underline; text-underline-offset: 4px; }
.blog-category-heading > .text-link { margin-top: 20px; }
.blog-view-all { margin-top: 22px; }
.blog-category-page { display: block; max-width: 900px; }
.blog-list { list-style: none; margin: 0; padding: 0; }
.blog-list > li:not([hidden]) ~ li:not([hidden]) { margin-top: 22px; padding-top: 22px; border-top: 1px solid var(--line); }
.blog-entry h2, .blog-entry h3 { margin: 0 0 10px; font-size: 1.17rem; line-height: 1.45; letter-spacing: -.02em; }
.blog-lead-entry .blog-entry h3 { font-size: clamp(1.25rem, 2vw, 1.48rem); line-height: 1.34; }
.blog-entry-summary { max-width: 650px; margin: 0 0 11px; color: var(--muted); font-size: .9rem; line-height: 1.55; }
.blog-entry h2 a, .blog-entry h3 a { display: flex; align-items: baseline; justify-content: space-between; gap: 24px; }
.blog-entry h2 a:hover, .blog-entry h3 a:hover { color: var(--cyan); }
.blog-entry h2 span, .blog-entry h3 span { color: var(--quiet); font-size: 1rem; font-weight: 400; }
.blog-meta { display: flex; align-items: center; flex-wrap: wrap; gap: 7px 16px; color: var(--muted); font-size: .77rem; line-height: 1.7; }
.article-badge { padding: 1px 7px; border-radius: 4px; color: var(--cyan); background: var(--cyan-soft); font-size: .7rem; }
.blog-empty { margin: 0; color: var(--muted); }
/* Light article paper within the portfolio's dark frame. */
.blog-reading-column {
  --ink: #182434;
  --muted: #5d6878;
  --line: #dce2ea;
  --bg: #fff;
  --panel: #f5f7fa;
  --panel-2: #edf1f6;
  --cyan: #08758b;
  --cyan-soft: #eaf5f7;
  --violet: #67529b;
  --violet-soft: #f1edf8;
  --shadow: 0 12px 35px rgba(24,36,52,.12);
  width: min(100%, 904px);
  margin: 0 auto;
  padding: 44px 52px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--bg);
  color: var(--ink);
  box-shadow: 0 20px 60px rgba(0,0,0,.2);
  color-scheme: light;
}
.blog-reading-column .topic-tag { border-color: #b7d7df; }
.blog-heading > .blog-tags { margin-bottom: 18px; }
.blog-heading h1 { margin: 0 0 22px; font-size: clamp(1.9rem, 3.6vw, 2.6rem); line-height: 1.22; letter-spacing: -.035em; overflow-wrap: break-word; }
.article-toolbar { display: flex; justify-content: space-between; align-items: center; gap: 18px; padding-bottom: 24px; }
.author-name { color: var(--ink); }
.author-name:hover { color: var(--cyan); }
.article-share { position: relative; flex-shrink: 0; }
.article-share > summary { display: flex; align-items: center; gap: 8px; padding: 8px 11px; border: 1px solid var(--line); border-radius: 7px; color: var(--muted); font-size: .78rem; list-style: none; cursor: pointer; }
.article-share > summary::-webkit-details-marker { display: none; }
.article-share > summary svg { width: 16px; height: 16px; }
.article-share > summary:hover, .article-share[open] > summary { color: var(--cyan); border-color: var(--cyan); }
.share-panel { position: absolute; right: 0; top: calc(100% + 8px); z-index: 3; display: grid; gap: 3px; width: 220px; max-width: calc(100vw - 40px); padding: 8px; border: 1px solid var(--line); border-radius: 9px; background: var(--panel); box-shadow: var(--shadow); }
.share-button { display: block; width: 100%; padding: 9px 11px; border: 0; border-radius: 5px; background: transparent; color: var(--ink); font: inherit; font-size: .8rem; text-align: left; cursor: pointer; }
.share-button:hover { background: var(--cyan-soft); color: var(--cyan); }
.share-fallback { display: grid; gap: 6px; padding: 8px; color: var(--muted); font-size: .75rem; }
.share-fallback input { width: 100%; min-width: 0; padding: 8px; border: 1px solid var(--line); border-radius: 4px; color: var(--ink); background: var(--bg); font: inherit; }
.blog-toc { margin: 0 0 30px; padding: 13px 16px; border: 1px solid var(--line); border-radius: 8px; background: var(--panel); }
.blog-toc summary { cursor: pointer; color: var(--muted); font-size: .83rem; }
.blog-toc nav { max-height: 45dvh; overflow-y: auto; margin-top: 14px; }
.blog-toc ol { list-style: none; padding: 0; margin: 0; }
.blog-toc a { display: block; padding: 5px 0; color: var(--muted); font-size: .8rem; line-height: 1.6; }
.blog-toc a:hover { color: var(--cyan); }
.blog-toc-child { padding-left: 16px; }
.blog-body { font-size: 1.07rem; line-height: 1.85; color: #273548; overflow-wrap: anywhere; }
.blog-body > :first-child { margin-top: 0; }
.blog-body p { margin: 1.15em 0; }
.blog-body h2, .blog-body h3, .blog-body h4, .blog-body h5, .blog-body h6 { color: var(--ink); line-height: 1.4; letter-spacing: -.025em; scroll-margin-top: 100px; }
.blog-body h2 { margin: 2.2em 0 .8em; font-size: 1.7rem; }
.blog-body h3 { margin: 2em 0 .75em; font-size: 1.3rem; }
.blog-body h4, .blog-body h5, .blog-body h6 { margin: 1.8em 0 .6em; font-size: 1.1rem; }
.blog-body a { color: var(--cyan); text-decoration: underline; text-underline-offset: 3px; }
.blog-body a:hover { color: var(--ink); }
.blog-body ul, .blog-body ol { margin: 1em 0; padding-left: 1.5em; }
.blog-body li { margin: .5em 0; }
.blog-body li > p, .blog-body li > ul, .blog-body li > ol { margin: .4em 0; }
.blog-body img { max-width: 100%; height: auto; margin: 26px auto; border: 1px solid var(--line); border-radius: 8px; }
.blog-body figure { margin: 28px 0; }
.blog-body .article-video { display: block; width: 100%; height: auto; aspect-ratio: 16 / 9; border: 0; border-radius: 8px; background: #000; }
.blog-body details { margin: 24px 0; padding: 16px 20px; border: 1px solid var(--line); border-radius: 8px; }
.blog-body summary { cursor: pointer; font-weight: 700; line-height: 1.6; }
.blog-body details[open] > summary { margin-bottom: 12px; }
.blog-body details > :last-child { margin-bottom: 0; }
.blog-body figcaption { color: var(--muted); font-size: .8rem; text-align: center; line-height: 1.7; }
.blog-body code { padding: .15em .3em; border-radius: 4px; color: var(--violet); background: var(--violet-soft); font: .85em ui-monospace, SFMono-Regular, Consolas, monospace; }
.blog-body pre { max-width: 100%; margin: 26px 0; padding: 22px; overflow-x: auto; border: 1px solid #263346; border-radius: 8px; background: #0d1420; color: #dde5f0; font: .82rem/1.8 ui-monospace, SFMono-Regular, Consolas, monospace; white-space: pre; overflow-wrap: normal; tab-size: 4; }
.blog-body pre code { display: block; padding: 0; background: transparent; font: inherit; color: inherit; }
.blog-body blockquote { margin: 28px 0; padding: 2px 0 2px 22px; border-left: 3px solid var(--violet); color: var(--muted); }
.blog-body .article-table { margin: 28px 0; overflow-x: auto; border: 1px solid var(--line); border-radius: 8px; }
.blog-body table { width: 100%; border-collapse: collapse; font-size: .82rem; line-height: 1.65; }
.blog-body th, .blog-body td { padding: 12px 15px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
.blog-body th { background: var(--panel-2); color: var(--ink); }
.blog-body tr:last-child td { border-bottom: 0; }
.blog-body hr { margin: 40px 0; border: 0; border-top: 1px solid var(--line); }
.blog-source { margin: 35px 0; color: var(--muted); font-size: .75rem; }
.blog-source a:hover { color: var(--cyan); }
.blog-pagination { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 30px; padding-top: 28px; margin-top: 35px; border-top: 1px solid var(--line); }
.blog-pagination a[rel="next"] { grid-column: 2; text-align: right; }
.blog-pagination span { display: block; margin-bottom: 10px; color: var(--muted); font-size: .75rem; }
.blog-pagination strong { display: block; font-size: .9rem; line-height: 1.6; }
.blog-pagination a:hover { color: var(--cyan); }
@media (max-width: 900px) {
  .blog-category { grid-template-columns: 210px minmax(0, 1fr); gap: 35px; }
}
@media (max-width: 1050px) {
  .blog-header .blog-portfolio { display: none; }
  .blog-header .nav-links .blog-portfolio-mobile { display: flex; margin-top: 8px; padding-top: 14px; border-top: 1px solid var(--line); color: var(--muted); }
  .blog-header .blog-portfolio-mobile::after { content: "↖"; }
}
@media (max-width: 700px) {
  .blog-page { padding-top: 30px; padding-bottom: 55px; }
  .blog-category { grid-template-columns: 1fr; gap: 22px; padding: 28px 0; }
  .blog-category-page { display: block; }
  .blog-category-heading { position: static; }
  .blog-category-heading h2 { margin-bottom: 12px; }
  .blog-category-heading > .text-link { margin-top: 12px; }
  .blog-search { width: 100%; }
  .search-status { margin-left: 0; }
  .search-status:empty { display: none; }
  .blog-entry h2, .blog-entry h3 { font-size: 1.06rem; }
  .blog-lead-entry .blog-entry h3 { font-size: 1.2rem; }
  .blog-reading-column { padding: 26px 18px; }
  .blog-heading h1 { font-size: 1.9rem; }
  .article-toolbar { align-items: flex-start; }
  .article-toolbar .blog-meta { column-gap: 12px; }
  .article-toolbar .author-name { flex-basis: 100%; }
  .blog-body { font-size: 1rem; line-height: 1.85; }
  .blog-body h2 { font-size: 1.5rem; }
  .blog-body h3 { font-size: 1.22rem; }
  .blog-body pre { padding: 16px; font-size: .75rem; }
  .blog-pagination { gap: 20px; }
}
@media (max-width: 360px) {
  .blog-heading h1 { font-size: 1.7rem; }
  .blog-header .brand { font-size: .75rem; gap: 6px; }
  .blog-header .brand > span:last-child { max-width: 52px; }
  .blog-header .brand-mark { width: 28px; height: 28px; }
}
@media print {
  .blog-header, .site-footer, .article-share, .blog-toc, .blog-pagination { display: none; }
  .blog-page { width: 100%; padding: 0; }
  .blog-reading-column { width: 100%; padding: 0; border: 0; box-shadow: none; }
  .blog-body { color: black; font-size: 12pt; }
  .blog-body pre { white-space: pre-wrap; color: black; background: #eee; }
}